Here's my custom that I made for this year's Secret Santa here at theFwoosh! He went to Anthony Simione of Plan B Toys and various other toy companies. I give you...

Herman (from TMNT Comics)
Head: Neck peg from Spider-Man Lizard as the head, eyes from Spider-Man Spider Force: Swarm Bee Armor, mouth from SOTA Street Fighter Guile, mandible thingies from Palisades Muppets Smollet and the Batman Secret Files Man-Bat, helmet from HML 2 pack Captain America
Torso: Spider-Man Lizard, collar from SOTA Street Fighter Birdie, skirt from Plan B Toys soldier
Arms: Spider-Man Lizard, TMNT Mutant Shredders, some random crappy eBay fodder
Pelvis/Thighs: Funko Game of Thrones Tyrion Lannister (both versions, merged together)
Crabby Legs: Spider-Man Venom (Scorpion)
Tentacles: HML Brood Queen BAF
Dumpster Shell: Marvel Select Logan, Marvel Legends War Machine gattling gun, GI Joe WHALE missile launcher, smoke stream from Marvel Legends Yellow Jacket mini figure, machine gun from HML Punisher, gun blasts from 4" Astro Boy, zip ties for supports, shoulder straps from some Stargate figure
Base: Marvel Select Hulk, Marvel Select Ultron